Earth Testers Insulation Testers
Contents
1. The comparator function of the MY40 insulation tester allows for smooth judgment when checking the insulation of electric circuits Methods of Scaling the 1st and 2nd Effective Measuring Ranges of Moving pointer Insulation Testers Rated test voltage 25 V Maximum effective reading 5 MQ Central scale value First effective measuring range 2 Second effective measuring range 0 5 0 07 0 005 O Maximum effective reading The maximum reading that is indicated on the insulation tester and falls with in the range with which the accuracy of the insulation tester is guaranteed Effective test range A test range or ranges among those of the insulation tester over which accuracy specified in the standards is guaranteed In moving pointer insu lation testers the range from a resistance value one thousandth 1 1000 the maximum effective reading to the resistance value that is nearest to half 1 2 the maximum effective reading and equal to the maximum effec tive reading multiplied by 1 2 or 5 or by any of these values multiplied by ten 10 raised to a whole number power shall be referred to as a first ef fective measuring range In addition the range from the upper limit of the first effective measuring range to the maximum effective reading and the range from the lower limit of the first effective measuring range to the zero 0 reading shall be referred to as second effective measuring r2. Automatic discharge Sky blue EL backlight Pa 9 en ee 500V YOKOGAWA rome 250v Soare ACK BGOV MAX No a OFF T d A AUTOOFF SATT CHECK TAS Testing Performance Specifications Suffix i Effective Central AC Voltage Lower limit of Standard test conditions Model Code Rating Measuring range Scale Value Measuring range measured Q Rated Current Ambient temperature humidity ranges 23 5 C 45 75 RH 240631 E 25V 5MQ 0 001 5MQ 0 1MQ 0 300V 0 025MQ 1mA Position of use Horizontal 5 max of angle of inclination 125V 20MQ 0 01 ZOME 0 5MQ 0 125MQ imA Battery voltage Within effective voltage range 240632 E 125V 20MQ 0 01 20M2 0 5MQ2 0 300V 0 125MQ 1mA The pointer must stay within the range indicated by the BAT symbol 240642 E 250V 50MQ 0 01 50MQ 1MQ 0 25MQ 1mA when the battery check is performed 240633 E 125V 20MQ OUIS AOME 0 125M9 TmA Tolerances under the above mentioned conditions 240643 E 250V 50M9 0 01 SOMQ 0 25MQ 1mA Resistance measurement First effective measuring range 5 of reading SOOV 100MQ 0 05 100M amp 2 0 5MQ 1mA Second effective measuring range 10 of reading 2AVOPANEEE ee oh ae 025MQ ue Infinite and zero scale values 0 7 max of scale length 240644 E 500V 100MQ 0 05 100MQ 0 5MQ 1mA a en ee i i 4000V 2000M2 1 2000MQ 4MO Ima voltage 10 o T scale value 240635 JE 250V 500MQ 0 1 500MQ 10MQ 0 600V 0
3. 25MQ 4mA No load voltage 130 max of rated voltage 240645 E 500V 1000MQ 0 5 1000MQ 20MQ 0 5MQ 4mA Rated measuring current 1 mA 0 to 20 when in first effective measuring range 1000V 2000MQ 1 2000MQ 50MQ 1MQ 1mA Short circuit current 12 mA max EL backlit Non backlit The minimum value at which the rated voltage can be maintained 0 55 mA in the case of the first effective measuring range General Specifications External Dimensions Unit mm Scale length Approx 86 mm outer scale Discharge function The tester automatically begins discharge when you turn off the MEAS switch The pointer swings if there is any residual voltage in the circuit under test You can make sure discharge is complete by checking that the pointer swings back to the infinite c scale value Under this condition the tester is ready to enter voltage measurement mode AC voltage measurement AC voltage measurement is possible wherever the rotary switch is positioned Dimensions main unit Approx 120 W x 110 H x 60 D mm Weight Approx 500 g including batteries Batteries Six AA R6P batteries on accessories Accessories See the list of accessories on the backside of this bulletin for information B9108XA B9705MU Accessory housing case Hard case Standard Accessories Product Part Number Qty Remarks Earth and Line probes 98007 Earth probe blake approx 1m long Line probe vermilion appro
4. the left except that the voltage is applied for 10 seconds with the tester switch turned OFF Effect of vibration Effect of shock No structural damage should be present and a change in the reading must be within the specified tolerance after applying a vibration frequency of 25 Hz and a displacement amplitude width of 1 mm for 20 minutes to each of three axis directions No structural damage should be present and a change in the reading must be within the specified tolerance after directly and reversely applying 1000 m s 6 ms half sine wave shocks to the three axis directions three times each i e 18 times in total No mechanical or electrical damage should be present and the rating within the speci fied tolerance must be satisfied after apply ing a vibration frequency of 16 7 Hz anda double amplitude of 4 mm for one hour to each of three axis directions The rating within the specified tolerance must be satisfied after applying a shock of 1000 m s to each of three directions twice each humidity range Operating temperature 0 C to 40 C 90 RH maximum no condensation humidity range Storage temperature 10 C to 60 C 70 RH maximum no condensation batteries should be removed Points on How to Choose an Insulation Tester eee ee eee ee RRR RRR RRR RRR RRR RRR RRR RRR RRR RRR RR Two choices Choose an analog model if visual recognition is of utmost importance or a digital model
5. 40 automatically begins dis charge when you turn off the MEAS switch You can monitor the state of discharge by checking the bar graph and make sure discharge is complete by checking that the segment bar disappear 1 many High voltage indicators The high voltage symbol and LED lamp come on to alert you when the MY40 is in insulation testing mode or if any voltage remains to be discharged Live line alarm If you apply an AC voltage of approximately 40 V or higher across the input terminals the MY40 alerts you by blinking the LED lamp and sounding the buzzer Overrange input alarm If the voltage being measured exceeds 600 V a J during AC voltage measurement the MY40 alerts you by flashing the Sie tan ack PO thi aicte ae eas Maximum Value indicator and sounding the buzzer aser uen born the man unit and accessories Auto hold function The tester retains the measured resistance for approximately 5 seconds after the MEAS switch is turned off Dimensions 125 W x 103 H x 53 D mm excluding protrusions Weight 420 g main unit and batteries only excluding accessories Batteries Four AA R6P batteries Note See the list of accessories on the backside of this bulletin for more information on accessories 2406E Series of Analog Insulation Testers 240631 240632 240633 240634 240635 240641 240642 240643 240644 240645 Analog models with two and three ratings AC voltage measurement
6. 770 253 7000 Facsimile 1 770 254 0928 YOKOGAWA EUROPE B V THE NETHERLANDS Phone 31 88 4641000 Facsimile 31 88 4641111 YOKOGAWA ENGINEERING ASIA PTE LTD SINGAPORE Phone 65 6241 9933 Facsimile 65 6241 2606 YOKOGAWA AMERICA DO SUL LTDA BRAZIL Phone 55 1 1 5681 2400 Facsimile 55 11 5681 4434 YOKOGAWA MEASURING INSTRUMENTS KOREA CORPORATION KOREA Phone 82 2 551 0660 Facsimile 82 2 551 0665 l YOKOGAWA AUSTRALIA PTY LTD AUSTRALIA Phone 61 2 8870 1100 Facsimile 61 2 8870 1111 YOKOGAWA INDIA LTD INDIA Phone 91 80 4 158 6000 Facsimile 91 80 2852 1441 YOKOGAWA SHANGHAI TRADING CO LTD CHINA Phone 86 21 6239 6363 Facsimile 86 21 6880 4987 YOKOGAWA MIDDLE EAST B S C C BAHRAIN Phone 973 17 358100 Facsimile 973 17 336100 MIK ES17 YOKOGAWA ELECTRIC CIS LTD RUSSIAN FEDERATION Phone 7 495 737 7868 Facsimile 7 205 767 7060 L ___ 4 Subject to change without notice Ed 07 b Printed in Japan Mar 2012 C 3 000 KP All Rights Reserved Copyright 2000 Yokogawa Meters amp Instruments Corporation
7. SALLA sae 2000 MY40 01 600V 1V 2 of rdg 6dgt Approx 2 MQ 1000V 2000MQ9 0 1 999MQ 5 of rdg 6dgt Conductor resistance measurement 40 00 10kQ 2 000 1000MQ 2 of rdg 6dgt 400 0 100k2 1001 2000MQ 5 of rdg PEPEE eeu INO MY40 01 4002 0 12 2 of rdg 8dgt veer SO oo First effective measuring range The minimum value at which the rated voltage can be maintained Display 3 1 2 digit LCD 4000 count backlight illuminated logarithmic Product Part Number Qty bar graph extension bar graph no fluctuations as the display shows the digits of a reading in the order in which each digit settles Protection cover 93013 Shoulder strap 99005 Line probe 98001 Example of Extension Bar Indicator View A ee a ee Earth probe 98002 4 The data value is bb C Pa an e i changing MA SQN iti NN pg pggy re User s manual d i pin T mi 7 Batteries dp The data value is fixed i M L L MQ IS Comparator function The MY40 alerts you by turning on the LOW symbol and sounding the buzzer if the measured value is smaller than the reference value You can allocate as many as three user defined reference values to each rating The factory set defaults are 0 1 MQ 0 2 MQ and 0 4 MQ Memory function For each rating you can save as many as 20 meas urements at desired memory address numbers Automatic discharge function The MY
8. YOKOGAWA gt insulation Testers Earth Testers Insulation and Earth Testers Insulation Tester Earth Tester SoS 15A Single range D EY ZOU Digital S0I65E 2 and3 ranges S _SS5l1 Analog MY 12 Single range MY 40 4ranges MY40 Yokogawa Meters amp Instruments Corporation Bulletin MY E What Is Insulation Resistance Insulation resistance represents the state of insulation of electric equipment or circuits It is one of the important measurement parameters in terms of safety and security Methods of examining the state of insulation include us ing a clamp on leakage tester for live circuits Under normal circumstances however such electric equipment or circuits are shut down temporarily and their insulation is tested with an insulation tester Classification of Applications Applications are roughly classified into low voltage high voltage and ultra high voltage circuits The table below summarizes examples of using rated test voltages A tester with the rated test voltage of 500 V or 100 V 250 V is used for low voltage circuits eta ee Electric Installations Circuits Insulation testing at safe voltage levels Insulation testing of Insulation testing of telephone line cir 25V telephone network cuits 50V equipment and flame proof equipment Insulation testing for maintaining low y UR i e i voltage circuits or equipment handling levels lower than 100 V Insulation testing
9. ad E Probes Unit mm 98050 2 3 4 F 98001 98007 Earth probe 98002 Line probe j J 1000 10 S N ae 160 325 1000 10 S nf i 2 Not for European Countries Earth Testers Accessories External Dimensions Unit mm 98070 98074 98075 Piore a Plug cap 5 HACI E Black Green ee i 36 50 ro T Rubber Insulation a i Detail L mm l 91 4 99 R2 lt 1 gt Red 20m 20080 be Safety Alligator Clip Black 55 lt 2 gt Yellow 10m 10080 X 101 8 lt 3 gt Green 5m 5080 Te1 two pieces set Test Probe Black 015 Rolled steels for general structure steel bar 1570 101 8 i Test Probe Red YOKOGAWA ANOTICE World Wide Web site at Before using the product read the instruction manual Yokogawa Meters amp Instruments Corporation http www yokogawa com ymi __ lt ltlly to ensure proper and safe operation wee ee ee ew ee ee ee Be ee ee ee ee ee ee ee ee ee ee ee ee HK E YOKOGAWA METERS amp INSTRUMENTS CORPORATION Tachihi Bld No 2 6 1 3 Sakaecho Tachikawa shi Tokyo 190 8586 Japan Represented by International Sales Dept Phone 81 42 534 1413 Facsimile 81 42 534 1426 YOKOGAWA CORPORATION OF AMERICA U S A Phone 1
10. anges see the figure above In digital insulation testers the first and second effective measuring ranges shall be those indicated on the insulation tester Excerpt from JIS C1302 2002 General Specifications AC components rated measuring voltage and current is connected to the tester and a capacitance of 5 Display readings Digital Analog Applicable standard JIS C 1302 Model MY40 3213A MY 10 2406E Effect of A change in the reading must not exceed 10 when a resistance calculated from the Same as to the left except that the con nected resistance has the central scale mF 10 is connected in parallel across the resistance value Effect of temperature A change in the reading at an ambient temperature of 23 C must not exceed 2 at each of the maximum minimum and central scale values of the first effective measuring range when the temperature is changed from 23 C to 0 C or to 40 C A change in the reading at an ambient tem perature of 23 C must not exceed 5 at the central scale value and be no more than 0 7 of the scale length at either the infi nite scale value or the zero scale value when the temperature is changed from 23 C to 0 C or to 40 C A change in the reading must not exceed 5 at the central scale value and be no more than 0 7 of the scale length at ei ther the infinite scale value or the zero scale value when the temperature is changed from 20 C to 0 C or t
11. from 2008 Conductor resistance 3 1 2 digit measurement LCD 19 S9 uonejnsu jey161q Comparator function Memory function Automatic discharge Battery check 19 S9 uonejnsu Hojyeuy MY10 CE Single Automatic discharge range Battery check Analog Battery check AC Voltage Measuring range External View Type Rating Display m 2J j D D 4 MY40 Digital Insulation Tester eee 2 S cia mde wit voageraistance ratings raeno cont en emad O Oe a ES Re y EAHA a eee fs ver tent settin g of T F pr 4 m j Standard test conditions Ambient temperature humidity ranges 23 5 C 45 75 RH Tolerances under the above mentioned conditions 125V 200MQ 0 0199MQ 5 of rdg 6dgt 0 125MQ Si B l Deviation from zero scale value 6 digits maximum cena 0200 10 DONE ve eontdgredgt Indication of co mark on bar graph Approx 4000 MQ min 500 V 1000 V 200 0 Open circuit voltage 130 max of rated voltage 250V 200MQ 0 0499MQ 5 of rdg 6dgt Rated measuring current 1 mA 0 to 20 when in first effective measuring range 4 000 0500 20 00MQ 2 of rdg 6dgt Short circuit Current 2 mA max 40 00 20 01 200 0MQ 5 of rdg MY40 200 0 01 Soov 2000MQ 4 000 0 0 999MQ_ 5 of rdg 6dgt E tieweuretienr E E 40 00 1 000 500MQ 2 of rdg 6dgt i 400 0 501 2000MQ 5 of rdg oY 3 Sesa Jal
12. if precise numeric recognition is of utmost importance a Ratings A wide choice of voltage resistance ratings from 25 V 5 MQ to 1000 V 2000 MQ Some models have two or three ran ges thus you need not take more than one instrument to the site B Functionality Each series includes a model or models with a backlight for working in dark places Multi functional models capable of for example AC voltage meas urement are also available a z Accessories Optional test probes and probe tips are available for a variety of test environments SERB BBB RBBB RBBB BPRS G QHREBHBRHR EHR HRHRB RHR RRR RBRHRRB RRR SERB RRB RR RRR RBBB RRR RR RR RRR RRR RRR Ree Selection Guide Insulation Tester amp Earth Tester Suffix Code amp Backlight Series Model AC Voltage Measuring range External View Type Rating Display Additional Function Automatic discharge 125V 200MQ 4 250V 200MQ 01 EL illuminated ranges 500V 2000MQ 1000V 2000MQ awa awy fava 50V 10MQ 32 2M 125V 20MQ 42 EL 42 ELilluminated 250V 50MQ 3 N sy sy 125V 20MQ 2 amp 3 2406E 250V 50MQ ranges 49 ELuminateo 3 EL 43 ELluminated 500V 100M9Q E E 250V 50MQ 500V 100MQ 44 Ltuminates 44 Ltuminates 4000V 2000Ma asa asa 250V 500MQ 500V 1000MQ 45 ELituminated 45 ELituminated 1000V 2000MQ Series Suffix Code Model amp Backlight EY200 Earth Voltage C 0 2000Q 0 200V JIS mark has changed
13. ing batteries or approx 1 2 kg in 321342 250V 50MQ 0 05 50MQ 1MQ 0 250V 0 25MQ 1mA cluding hard case handle test leads and batteries 321343 500V 100MQ 0 1 100MQ 2MQ 0 300V 0 5MQ 1mA Batteries Eight AA R6P batteries 321344 500V 1000MQ 1 1000MQ 20MQ 0 300V 0 5MQ 4mA Accessories See the list of accessories on the backside of this 321345 1000V 2000MQ 2 2000MQ 50MQ 0 300V 1MQ 1mA bulletin for information on accessories such as The minimum value at which the rated voltage can be maintained 0 55 mA in the case of the first effective measuring range Probes wit asivitah Standard test conditions l Tolerances under the above mentioned conditions Standard Accessories Ambient temperature humidity ranges Resistance measurement 23 5 C 45 75 RH First effective measuring range 5 of reading nee anes Second effective measuring range 10 of reading Product Part Number aty Horizontal 5 max of angle of inclination Infinite and zero scale values 0 7 max of scale length Test lead 98050 1 consist of earth line terminal Effect of geomagnetism None AC voltage 10 of maximum scale value Hard case B9600HA 1 w leads housing case ac Open circuit voltage 130 max of rated voltage Handl B9303XE 1 Battery voltage Within effective voltage range Rated measuring current angie The pointer must stay within the range indicated by 1 mA 0 to 20 when in first effective measuring range User s manual 1 the BAT symbol when
14. le value manganese oxide batteries with the pointer point g g a No load voltage 130 max of rated voltage ing to the central scalevalue Battery voltage Within effective voltage range Rated measuring current Batteries Four AA R6P batteries The pointer must stay within the range indicated by the 1 mA 0 to 20 when in first effective measuring Dimensions Approx 125 w x 103 H x 53 D mm excluding protrusions BAT symbol when the battery check is performed range a Weight Approx 400 g main unit and batteries only excluding accessories Short circuit current 12 mA max Compliance EN61010 1993 EN61010 2 31 1995 over voltage cat egory Ill pollution Degree2 installations for indoor use 3213A Series of Analog Insulation Testers Analog models with single rating AC voltage measurement and check live lines such as motive power lines One touch operation Press and lock switch for continuous measurement A wide choice of accessories to meet various testing requirements Vibration and shock resistant hand held compact testers Testing Performance Specifications General Specifications Model Effective Central AC Voltage Lower Limit of Rated Scale length Approx 88 mm ede Measuring Range Scale Value Measuring Range measured Current Dimensions main unit Approx 110 W x 180 H x 60 D mm 321341 100V 20MQ 0 02 20MQ2 0 5MQ 0 150V 0 1MQ 1mA Weight Approx 700 g includ
15. mmercial frequency Power Source Four 1 5 V batteries Insulation Resistance More than 20 MQ at 500 V DC between terminals and case Dimensions Approx 122 x 190 x 124 mm not including accessories Weight Approx 1 5 kg for Instrument only Approx 3 5 kg including all accessories Insulation Testers Quick reference Table of Accessories For breaker pins General purpose B9600GN IP Extended B9600NX Sharp pointed B9600NZ Line probe 98007 Earth probe Earth and Line probes Measuring Lead unit Paired earth line terminals Replaceable type Line Probe Bag for housing spare probe tips B9600NV Accessory housing case B9646CA B9108XA Carrying case B9600HA B9075MU hard case 93015 w accessory B9075MV soft case Store main unit Note Includes an housing case accessory housing case accessories Note that the color of the plastic part of a probe tip may not always match that of the probe depending on the combination Shoulder strap 1 Regarding external dimensions of ca Handle B9303XE wes ses Pls refer to each product specifi Lead for guard terminals 321803 cation Protection cover E Spare Probe Tips 2 Unit mm E Others Unit mm 99011 B9600GN f i B9600NX B9303XE 3218 03 ios 9 a E ee 360 5 18 11 16 re 8 B9600NZ i Testing shank Metal shank with 96 screw 8 Fastening nut ABS resin 108 l PVC cl
16. ng method can be used if there is an almost perfectly earth ground object such as a lead or iron water pipe plastic pipes cannot be used or if there is an object with a known value of earth resistance near the measurement site Be sure to connect to the earth ground side 77 of the commercial Re Rx re Analog Earth Tester 3 terminal measurement of earth resistance Accurate wide range logarithmic scale AC potentiometer bridge synchronous detector Portable yet rugged and shockproof General Specifications Measuring Range Earth Resistance 0 to 10 to 100 to 1 000 Q Earth Voltage 0 to 30 V Scale Earth Resistance 3 digit logarithmic continuous scale on measuring dial Earth Voltage Uniform scale on galvanometer Accuracy Earth Resistance 5 of 2 Q in the range of 0 to 2 Q 2 5 of 20 Q inthe range of 2 to 20 Q 2 5 of 200 Q in the range of 20 to 200 Q 5 of 1 000 Q in the range of 200 to 1 000 Q Earth Voltage 5 of full scale value Measuring Frequency 500 Hz Ambient Temperature Influence Variation in indication is within the corresponding one scale division for temperature change by 20 20 C Battery Voltage Influence The accuracy is maintained wihtin the specified limit even if the voltage decreases down to approx 4 V under operating condition Earth Voltage Influence Variation in indication is within the corresponding one scale division for the earth voltages of up to 10 V at co
17. o 40 C Effect of humidity Effect of external magnetic field A change in the reading must be within the specified tolerance range when the tester is left to stand for one hour under a relative hu midity of 90 A change in the reading must not exceed 3 analog and be no more than 1 2 digital at each of the maximum minimum and central scale values of the first effective measuring range when an external magnetic field of 400 A m DC is applied to the direc tion where the effect thereof is the most significant Same as to the left except that a change at the central scale value must be read Effect of inclination A change in the infinite scale value co must not exceed 2 of the scale length when the tester is inclined 90 forward or backward and leftward or rightward from the horizontal position Also a change in the reading must not exceed 15 at each of the maximum minimum and central scale values of A change in the infinite scale value co must not exceed 2 of the scale length when the tester is inclined 30 forward or backward and leftward or rightward from the horizontal position Effect of external voltage application No damage should be present when a 50 Hz or 60 Hz AC voltage with an amplitude 1 2 times the rated test range is applied across the test terminals for 10 seconds each time the tester switch is turned ON and OFF Nor should the user be subjected to any danger Same as to
18. of Insulation testing for maintaining low 250V low voltage circuits or voltage circuits or equipment handling equipment 200 V or lower levels lower than 100 V Insulation testing of Insulation testing for maintaining low newly installed circuits voltage circuits or equipment handling sooy o of circuits or equip levels lower than 600 V insulation test ment handling levels ing of circuits or equipment handling lower than 600 V 100 V 200 V or 400 V levels upon general equipment completion of installation Insulation testing of circuits or equip arate Cae ment handling constantly high operat 4000 V__ or facilities handling ing voltages e g high tension cables levels higher than 600 high voltage electric equipment and V general equipment communications equipment and elec tric circuits handling high voltages Insulation Testers Test Methods for Low voltage Circuits Insulation resistance between cables of a low voltage circuit and between the circuit and ground is tested for each circuit that can be separated by a switch or overcurrent breaker installed as specified by the electrotechnical equipment standards The low voltage circuit is shut down by opening the switch and insulation be tween cables of the circuit and between the circuit and ground is tested If the measured value is below the rated resistance all shunt switches of a trunk line are opened and insulation is tested separately for each shunt circuit
19. the battery check is performed Short circuit current 12 mA max Batteries 8 NEw Digital Earth Tester EY200 Specifications e Model Code Digital Earth Tester EY200 e EY200 General Specifications Display LCD Digital Display 1999 count digital reading Measuring Range Earth Resistance 20009 LSD 0 01 to 1 Earth Voltage 200V Earth Resistance 20Q range 2 rdg 0 1Q 200Q range 2 rdg 3dgt 2000Q range 2 rdg 3dgt 1 rdg 4dgt Accuracy Earth Voltage Measuring Frequency Approx 820Hz Approx 3mA at 20Q range Battery Life Approx 4 5hours at 5 second measuring 3300 times Operating Temp 0 40 C 85 Rh or less and Humidity Dimensions Weight Standard Accessories Approx 105x158x70mm Approx 550g 3 pole Test Lead Model 98074 Earth Spikes for EY200 Model 98070 2 pole Test Lead Set Model 98075 Soft Case Model 93041 Shoulder Belt for EY200 Model 99018 Six AA R6 dry cells User s manual 3 pole earth resistance measurement precise measurement Connect the earth ground electrode E and auxiliary spikes P C to the main body using the accessory test lead Put apart 5 to 10 m between E and P and P and C respectively E P and C should be approximately in a line R PW Earth Ground electrode Auxiliary spikes under test 2 pole earth resistance measurement simplified measurement A simplified 2 pole measuri
20. x 1m long w probe housing Carrying case B9075MU 1 pocket and neck strap User s manual 1 Batteries 6 z MY10 Series of Analog Insulation Testers Analog models with single rating MY10 01 125V 20MQ MY10 02 250V 50MQ MY10 03 500V 100MQ MY10 04 500V 1000MQ MY10 05 1000V 2000MQ AC voltage measurement Automatic discharge A wide choice of accessories Designed for shared use with the MY40 Testing Performance Specifications Standard Accessories i AC Voltage imi maag ellie ee Ree ne Measuring Range A a EERS E Product Part umber en MY 10 01 125V 20MQ 0 01 20Ma 0 5MQ 0 250V 0 125MQ 1 1 2mA Froiectioni covor 22013 l MY10 02 250V 50MQ 0 01 50MQ 1MQ 0 300V 0 25MQ 1 1 2MA SDoudensliak 99005 1 osmo trama Line probe aaa ae 1MQ 0 5 0 6mA Ean pione acme 2M 0 5 0 6mA User s manual gt 1 The minimum value at which the rated voltage can be maintained Batteries a Standard test conditions Tolerances under the above mentioned conditions J 5 Ambient temperature humidity ranges Resistance measurement General Specifications 23 5 C 45 75 RH First effective measuring range 5 of reading Second effective measuring range 10 of reading Seale length Approx 78 mm l Infinite and zero scale values 0 7 max of scale length Battery life Approx 10 hours when continuously operated on Position of use Horizontal 5 max of angle of inclination e a AC voltage 10 of maximum sca
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